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<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> * SoftVerticalScroll.java</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> * Created on August 16, 2007, 12:21 PM</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> *</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> * This library is free software; you can redistribute it and/or</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> * modify it under the terms of the GNU Lesser General Public</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> * License as published by the Free Software Foundation; either</em>
<a name="9" href="#9">9</a>   <em class="jxr_comment"> * version 2.1 of the License, or (at your option) any later version.</em>
<a name="10" href="#10">10</a>  <em class="jxr_comment"> *</em>
<a name="11" href="#11">11</a>  <em class="jxr_comment"> * This library is distributed in the hope that it will be useful,</em>
<a name="12" href="#12">12</a>  <em class="jxr_comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</em>
<a name="13" href="#13">13</a>  <em class="jxr_comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</em>
<a name="14" href="#14">14</a>  <em class="jxr_comment"> * Lesser General Public License for more details.</em>
<a name="15" href="#15">15</a>  <em class="jxr_comment"> *</em>
<a name="16" href="#16">16</a>  <em class="jxr_comment"> * You should have received a copy of the GNU Lesser General Public</em>
<a name="17" href="#17">17</a>  <em class="jxr_comment"> * License along with this library; if not, write to the Free Software</em>
<a name="18" href="#18">18</a>  <em class="jxr_comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA</em>
<a name="19" href="#19">19</a>  <em class="jxr_comment"> */</em>
<a name="20" href="#20">20</a>  <strong class="jxr_keyword">package</strong> com.totsp.gwittir.client.fx.ui;
<a name="21" href="#21">21</a>  
<a name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.DOM;
<a name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.Timer;
<a name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.Window;
<a name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.WindowResizeListener;
<a name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.Composite;
<a name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.FocusPanel;
<a name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.HorizontalPanel;
<a name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.MouseListener;
<a name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.MouseListenerAdapter;
<a name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.Panel;
<a name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.ScrollListener;
<a name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.SimplePanel;
<a name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.ui.Widget;
<a name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.log.Level;
<a name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.log.Logger;
<a name="37" href="#37">37</a>  
<a name="38" href="#38">38</a>  
<a name="39" href="#39">39</a>  <em class="jxr_javadoccomment">/**</em>
<a name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> *</em>
<a name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="mailto:cooper@screaming-penguin.com" target="alexandria_uri">mailto:cooper@screaming-penguin.com</a>"&gt;Robert "kebernet" Cooper&lt;/a&gt;</em>
<a name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> */</em>
<a name="43" href="#43">43</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/ui/SoftHorizontalScrollbar.html">SoftHorizontalScrollbar</a> <strong class="jxr_keyword">extends</strong> Composite {
<a name="44" href="#44">44</a>      FocusPanel barTarget = <strong class="jxr_keyword">new</strong> FocusPanel();
<a name="45" href="#45">45</a>      FocusPanel higherTarget = <strong class="jxr_keyword">new</strong> FocusPanel();
<a name="46" href="#46">46</a>      FocusPanel lowerTarget = <strong class="jxr_keyword">new</strong> FocusPanel();
<a name="47" href="#47">47</a>      ScrollListener scrollListener = <strong class="jxr_keyword">new</strong> ScrollListener() {
<a name="48" href="#48">48</a>              <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onScroll(Widget widget, <strong class="jxr_keyword">int</strong> scrollLeft, <strong class="jxr_keyword">int</strong> scrollTop) {
<a name="49" href="#49">49</a>                  refresh();
<a name="50" href="#50">50</a>              }
<a name="51" href="#51">51</a>          };
<a name="52" href="#52">52</a>  
<a name="53" href="#53">53</a>      SimplePanel bar = <strong class="jxr_keyword">new</strong> SimplePanel();
<a name="54" href="#54">54</a>      SimplePanel base;
<a name="55" href="#55">55</a>      SimplePanel higher = <strong class="jxr_keyword">new</strong> SimplePanel();
<a name="56" href="#56">56</a>      SimplePanel lower = <strong class="jxr_keyword">new</strong> SimplePanel();
<a name="57" href="#57">57</a>      <a href="../../../../../../com/totsp/gwittir/client/fx/ui/SoftScrollArea.html">SoftScrollArea</a> target;
<a name="58" href="#58">58</a>      <strong class="jxr_keyword">private</strong> MouseListener barListener = <strong class="jxr_keyword">new</strong> MouseListenerAdapter() {
<a name="59" href="#59">59</a>              <strong class="jxr_keyword">boolean</strong> inDrag = false;
<a name="60" href="#60">60</a>              <strong class="jxr_keyword">int</strong> start;
<a name="61" href="#61">61</a>  
<a name="62" href="#62">62</a>              <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onMouseLeave(Widget sender) {
<a name="63" href="#63">63</a>                  inDrag = false;
<a name="64" href="#64">64</a>              }
<a name="65" href="#65">65</a>  
<a name="66" href="#66">66</a>              <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onMouseUp(Widget sender, <strong class="jxr_keyword">int</strong> x, <strong class="jxr_keyword">int</strong> y) {
<a name="67" href="#67">67</a>                  inDrag = false;
<a name="68" href="#68">68</a>              }
<a name="69" href="#69">69</a>  
<a name="70" href="#70">70</a>              <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onMouseDown(Widget sender, <strong class="jxr_keyword">int</strong> x, <strong class="jxr_keyword">int</strong> y) {
<a name="71" href="#71">71</a>                  inDrag = <strong class="jxr_keyword">true</strong>;
<a name="72" href="#72">72</a>                  start = x;
<a name="73" href="#73">73</a>              }
<a name="74" href="#74">74</a>  
<a name="75" href="#75">75</a>              <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onMouseMove(Widget sender, <strong class="jxr_keyword">int</strong> x, <strong class="jxr_keyword">int</strong> y) {
<a name="76" href="#76">76</a>                  <strong class="jxr_keyword">if</strong>(inDrag) {
<a name="77" href="#77">77</a>                      <strong class="jxr_keyword">float</strong> newPercent = (<strong class="jxr_keyword">float</strong>) (
<a name="78" href="#78">78</a>                              (x - start) + lower.getOffsetWidth()
<a name="79" href="#79">79</a>                          ) / (<strong class="jxr_keyword">float</strong>) base.getOffsetWidth();
<a name="80" href="#80">80</a>                      Logger.getAnonymousLogger().log( Level.SPAM, x + <span class="jxr_string">" "</span> + newPercent, <strong class="jxr_keyword">null</strong>);
<a name="81" href="#81">81</a>  
<a name="82" href="#82">82</a>                      <strong class="jxr_keyword">int</strong> newPosition = Math.round((
<a name="83" href="#83">83</a>                                  target.getOffsetWidth()
<a name="84" href="#84">84</a>                                  + target.getMaxHorizontalScrollPosition()
<a name="85" href="#85">85</a>                              ) * newPercent) + x;
<a name="86" href="#86">86</a>                      target.setHorizontalScrollPosition(newPosition);
<a name="87" href="#87">87</a>                  }
<a name="88" href="#88">88</a>              }
<a name="89" href="#89">89</a>          };
<a name="90" href="#90">90</a>  
<a name="91" href="#91">91</a>      <strong class="jxr_keyword">private</strong> MouseListener higherListener = <strong class="jxr_keyword">new</strong> MouseListenerAdapter() {
<a name="92" href="#92">92</a>              <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onMouseDown(Widget sender, <strong class="jxr_keyword">int</strong> x, <strong class="jxr_keyword">int</strong> y) {
<a name="93" href="#93">93</a>                  <strong class="jxr_keyword">float</strong> newPercent = (<strong class="jxr_keyword">float</strong>) (
<a name="94" href="#94">94</a>                          x + lower.getOffsetWidth() + bar.getOffsetWidth()
<a name="95" href="#95">95</a>                      ) / (<strong class="jxr_keyword">float</strong>) base.getOffsetWidth();
<a name="96" href="#96">96</a>                  <strong class="jxr_keyword">int</strong> newPosition = Math.round((
<a name="97" href="#97">97</a>                              target.getOffsetWidth()
<a name="98" href="#98">98</a>                              + target.getMaxHorizontalScrollPosition()
<a name="99" href="#99">99</a>                          ) * newPercent) - (target.getOffsetWidth() / 2);
<a name="100" href="#100">100</a> 
<a name="101" href="#101">101</a>                 target.setHorizontalScrollPosition(newPosition);
<a name="102" href="#102">102</a>             }
<a name="103" href="#103">103</a>         };
<a name="104" href="#104">104</a> 
<a name="105" href="#105">105</a>     <strong class="jxr_keyword">private</strong> MouseListener lowerListener = <strong class="jxr_keyword">new</strong> MouseListenerAdapter() {
<a name="106" href="#106">106</a>             <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onMouseDown(Widget sender, <strong class="jxr_keyword">int</strong> x, <strong class="jxr_keyword">int</strong> y) {
<a name="107" href="#107">107</a>                 <strong class="jxr_keyword">float</strong> newPercent = (<strong class="jxr_keyword">float</strong>) x / (<strong class="jxr_keyword">float</strong>) base.getOffsetWidth();
<a name="108" href="#108">108</a>                 <strong class="jxr_keyword">int</strong> newPosition = Math.round((
<a name="109" href="#109">109</a>                             target.getOffsetWidth()
<a name="110" href="#110">110</a>                             + target.getMaxHorizontalScrollPosition()
<a name="111" href="#111">111</a>                         ) * newPercent) - (target.getOffsetWidth() / 2);
<a name="112" href="#112">112</a>                 Logger.getAnonymousLogger().log( Level.SPAM, <span class="jxr_string">"New Position: "</span> + newPosition, <strong class="jxr_keyword">null</strong>);
<a name="113" href="#113">113</a>                 target.setHorizontalScrollPosition(newPosition);
<a name="114" href="#114">114</a>             }
<a name="115" href="#115">115</a>         };
<a name="116" href="#116">116</a> 
<a name="117" href="#117">117</a>     <strong class="jxr_keyword">private</strong> WindowResizeListener windowListener = <strong class="jxr_keyword">new</strong> WindowResizeListener() {
<a name="118" href="#118">118</a>             <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onWindowResized(<strong class="jxr_keyword">int</strong> width, <strong class="jxr_keyword">int</strong> height) {
<a name="119" href="#119">119</a>                 refresh();
<a name="120" href="#120">120</a>             }
<a name="121" href="#121">121</a>         };
<a name="122" href="#122">122</a> 
<a name="123" href="#123">123</a>     <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Creates a new instance of SoftVerticalScroll */</em>
<a name="124" href="#124">124</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../../com/totsp/gwittir/client/fx/ui/SoftHorizontalScrollbar.html">SoftHorizontalScrollbar</a>(<a href="../../../../../../com/totsp/gwittir/client/fx/ui/SoftScrollArea.html">SoftScrollArea</a> target) {
<a name="125" href="#125">125</a>         <strong class="jxr_keyword">this</strong>.target = target;
<a name="126" href="#126">126</a>         <strong class="jxr_keyword">this</strong>.base = <strong class="jxr_keyword">new</strong> SimplePanel();
<a name="127" href="#127">127</a> 
<a name="128" href="#128">128</a>         Panel horizontal = <strong class="jxr_keyword">new</strong> HorizontalPanel();
<a name="129" href="#129">129</a>         <strong class="jxr_keyword">this</strong>.base.setWidget(horizontal);
<a name="130" href="#130">130</a>         <strong class="jxr_keyword">super</strong>.initWidget(<strong class="jxr_keyword">this</strong>.base);
<a name="131" href="#131">131</a>         <strong class="jxr_keyword">this</strong>.higherTarget.setWidget(<strong class="jxr_keyword">this</strong>.higher);
<a name="132" href="#132">132</a>         <strong class="jxr_keyword">this</strong>.barTarget.setWidget(<strong class="jxr_keyword">this</strong>.bar);
<a name="133" href="#133">133</a>         <strong class="jxr_keyword">this</strong>.lowerTarget.setWidget(<strong class="jxr_keyword">this</strong>.lower);
<a name="134" href="#134">134</a> 
<a name="135" href="#135">135</a>         horizontal.add(lowerTarget);
<a name="136" href="#136">136</a>         horizontal.add(barTarget);
<a name="137" href="#137">137</a>         horizontal.add(higherTarget);
<a name="138" href="#138">138</a>         <strong class="jxr_keyword">this</strong>.setStyleName(<span class="jxr_string">"gwittir-SoftHorizontalScrollbar"</span>);
<a name="139" href="#139">139</a>         <strong class="jxr_keyword">this</strong>.bar.setStyleName(<span class="jxr_string">"bar"</span>);
<a name="140" href="#140">140</a>         <strong class="jxr_keyword">this</strong>.lower.setStyleName(<span class="jxr_string">"lower"</span>);
<a name="141" href="#141">141</a>         <strong class="jxr_keyword">this</strong>.higher.setStyleName(<span class="jxr_string">"higher"</span>);
<a name="142" href="#142">142</a>         DOM.setStyleAttribute(<strong class="jxr_keyword">this</strong>.lower.getElement(), <span class="jxr_string">"overflow"</span>, <span class="jxr_string">"hidden"</span>);
<a name="143" href="#143">143</a>         DOM.setStyleAttribute(<strong class="jxr_keyword">this</strong>.bar.getElement(), <span class="jxr_string">"overflow"</span>, <span class="jxr_string">"hidden"</span>);
<a name="144" href="#144">144</a>         DOM.setStyleAttribute(<strong class="jxr_keyword">this</strong>.higher.getElement(), <span class="jxr_string">"overflow"</span>, <span class="jxr_string">"hidden"</span>);
<a name="145" href="#145">145</a>         DOM.setStyleAttribute(<strong class="jxr_keyword">this</strong>.getElement(), <span class="jxr_string">"overflow"</span>, <span class="jxr_string">"hidden"</span>);
<a name="146" href="#146">146</a>     }
<a name="147" href="#147">147</a> 
<a name="148" href="#148">148</a>     <strong class="jxr_keyword">protected</strong> MouseListener getBarListener() {
<a name="149" href="#149">149</a>         <strong class="jxr_keyword">return</strong> barListener;
<a name="150" href="#150">150</a>     }
<a name="151" href="#151">151</a> 
<a name="152" href="#152">152</a>     <strong class="jxr_keyword">protected</strong> MouseListener getHigherListener() {
<a name="153" href="#153">153</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.higherListener;
<a name="154" href="#154">154</a>     }
<a name="155" href="#155">155</a> 
<a name="156" href="#156">156</a>     <strong class="jxr_keyword">protected</strong> MouseListener getLowerListener() {
<a name="157" href="#157">157</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.lowerListener;
<a name="158" href="#158">158</a>     }
<a name="159" href="#159">159</a> 
<a name="160" href="#160">160</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> onAttach() {
<a name="161" href="#161">161</a>         <strong class="jxr_keyword">super</strong>.onAttach();
<a name="162" href="#162">162</a>         target.addScrollListener(<strong class="jxr_keyword">this</strong>.scrollListener);
<a name="163" href="#163">163</a>         Window.addWindowResizeListener(<strong class="jxr_keyword">this</strong>.windowListener);
<a name="164" href="#164">164</a>         <strong class="jxr_keyword">this</strong>.lowerTarget.addMouseListener(<strong class="jxr_keyword">this</strong>.getLowerListener());
<a name="165" href="#165">165</a>         <strong class="jxr_keyword">this</strong>.higherTarget.addMouseListener(<strong class="jxr_keyword">this</strong>.getHigherListener());
<a name="166" href="#166">166</a>         <strong class="jxr_keyword">this</strong>.barTarget.addMouseListener(<strong class="jxr_keyword">this</strong>.getBarListener());
<a name="167" href="#167">167</a> 
<a name="168" href="#168">168</a>         Timer t = <strong class="jxr_keyword">new</strong> Timer() {
<a name="169" href="#169">169</a>                 <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() {
<a name="170" href="#170">170</a>                     target.setScrollPosition(target.getScrollPosition());
<a name="171" href="#171">171</a>                     refresh();
<a name="172" href="#172">172</a>                 }
<a name="173" href="#173">173</a>             };
<a name="174" href="#174">174</a> 
<a name="175" href="#175">175</a>         t.schedule(10);
<a name="176" href="#176">176</a>     }
<a name="177" href="#177">177</a> 
<a name="178" href="#178">178</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> onDetach() {
<a name="179" href="#179">179</a>         <strong class="jxr_keyword">super</strong>.onDetach();
<a name="180" href="#180">180</a>         Window.removeWindowResizeListener(<strong class="jxr_keyword">this</strong>.windowListener);
<a name="181" href="#181">181</a>         <strong class="jxr_keyword">this</strong>.lowerTarget.removeMouseListener(<strong class="jxr_keyword">this</strong>.getLowerListener());
<a name="182" href="#182">182</a>         <strong class="jxr_keyword">this</strong>.higherTarget.removeMouseListener(<strong class="jxr_keyword">this</strong>.getHigherListener());
<a name="183" href="#183">183</a>         <strong class="jxr_keyword">this</strong>.barTarget.removeMouseListener(<strong class="jxr_keyword">this</strong>.getBarListener());
<a name="184" href="#184">184</a>         target.removeScrollListener(<strong class="jxr_keyword">this</strong>.scrollListener);
<a name="185" href="#185">185</a>     }
<a name="186" href="#186">186</a> 
<a name="187" href="#187">187</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> refresh() {
<a name="188" href="#188">188</a>         <strong class="jxr_keyword">int</strong> currentWidth = <strong class="jxr_keyword">this</strong>.getOffsetWidth();
<a name="189" href="#189">189</a> 
<a name="190" href="#190">190</a>         <strong class="jxr_keyword">float</strong> pageSize = (<strong class="jxr_keyword">float</strong>) target.getOffsetWidth() / (<strong class="jxr_keyword">float</strong>) (
<a name="191" href="#191">191</a>                 target.getMaxHorizontalScrollPosition()
<a name="192" href="#192">192</a>                 + target.getOffsetWidth()
<a name="193" href="#193">193</a>             );
<a name="194" href="#194">194</a> 
<a name="195" href="#195">195</a>         <em class="jxr_comment">//GWT.log("Page sisze " + pageSize, null);</em>
<a name="196" href="#196">196</a>         <strong class="jxr_keyword">float</strong> scrollPercentage = (<strong class="jxr_keyword">float</strong>) target.getHorizontalScrollPosition() / (
<a name="197" href="#197">197</a>                 target.getMaxHorizontalScrollPosition() + 1
<a name="198" href="#198">198</a>             );
<a name="199" href="#199">199</a> 
<a name="200" href="#200">200</a>         <em class="jxr_comment">//GWT.log("Scroll Percentage " + scrollPercentage, null);</em>
<a name="201" href="#201">201</a>         <strong class="jxr_keyword">int</strong> lowerWidth = Math.round((
<a name="202" href="#202">202</a>                     currentWidth - Math.round((<strong class="jxr_keyword">float</strong>) currentWidth * pageSize)
<a name="203" href="#203">203</a>                 ) * scrollPercentage);
<a name="204" href="#204">204</a> 
<a name="205" href="#205">205</a>         <em class="jxr_comment">//GWT.log("Lower width " + lowerWidth, null);</em>
<a name="206" href="#206">206</a>         <strong class="jxr_keyword">if</strong>(lowerWidth == 0) {
<a name="207" href="#207">207</a>             lowerWidth = 1;
<a name="208" href="#208">208</a>         }
<a name="209" href="#209">209</a> 
<a name="210" href="#210">210</a>         <strong class="jxr_keyword">this</strong>.lower.setWidth(lowerWidth + <span class="jxr_string">"px"</span>);
<a name="211" href="#211">211</a> 
<a name="212" href="#212">212</a>         <strong class="jxr_keyword">int</strong> barWidth = Math.round(currentWidth * pageSize);
<a name="213" href="#213">213</a>         <em class="jxr_comment">//GWT.log("Bar width " + barWidth, null);</em>
<a name="214" href="#214">214</a>         <strong class="jxr_keyword">if</strong>(barWidth &gt;=0 ){
<a name="215" href="#215">215</a>             <strong class="jxr_keyword">this</strong>.bar.setWidth(barWidth + <span class="jxr_string">"px"</span>);
<a name="216" href="#216">216</a>         }
<a name="217" href="#217">217</a>         <strong class="jxr_keyword">int</strong> higherWidth = currentWidth - lowerWidth - barWidth;
<a name="218" href="#218">218</a>         <strong class="jxr_keyword">if</strong>( higherWidth &gt;= 0 ){
<a name="219" href="#219">219</a>             <strong class="jxr_keyword">this</strong>.higher.setWidth(higherWidth + <span class="jxr_string">"px"</span>);
<a name="220" href="#220">220</a>         }
<a name="221" href="#221">221</a>         <strong class="jxr_keyword">this</strong>.lower.setHeight(<strong class="jxr_keyword">this</strong>.getOffsetHeight() + <span class="jxr_string">"px"</span>);
<a name="222" href="#222">222</a>         <strong class="jxr_keyword">this</strong>.bar.setHeight(<strong class="jxr_keyword">this</strong>.getOffsetHeight() + <span class="jxr_string">"px"</span>);
<a name="223" href="#223">223</a>         <strong class="jxr_keyword">this</strong>.higher.setHeight(<strong class="jxr_keyword">this</strong>.getOffsetHeight() + <span class="jxr_string">"px"</span>);
<a name="224" href="#224">224</a>     }
<a name="225" href="#225">225</a> 
<a name="226" href="#226">226</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setBarWidget(Widget w) {
<a name="227" href="#227">227</a>         <strong class="jxr_keyword">this</strong>.bar.setWidget(w);
<a name="228" href="#228">228</a>         DOM.setStyleAttribute(<strong class="jxr_keyword">this</strong>.bar.getElement(), <span class="jxr_string">"overflow"</span>, <span class="jxr_string">"hidden"</span>);
<a name="229" href="#229">229</a>     }
<a name="230" href="#230">230</a> 
<a name="231" href="#231">231</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setHigherWidget(Widget w) {
<a name="232" href="#232">232</a>         <strong class="jxr_keyword">this</strong>.higher.setWidget(w);
<a name="233" href="#233">233</a>         DOM.setStyleAttribute(<strong class="jxr_keyword">this</strong>.higher.getElement(), <span class="jxr_string">"overflow"</span>, <span class="jxr_string">"hidden"</span>);
<a name="234" href="#234">234</a>     }
<a name="235" href="#235">235</a> 
<a name="236" href="#236">236</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setLowerWidget(Widget w) {
<a name="237" href="#237">237</a>         <strong class="jxr_keyword">this</strong>.lower.setWidget(w);
<a name="238" href="#238">238</a>         DOM.setStyleAttribute(<strong class="jxr_keyword">this</strong>.lower.getElement(), <span class="jxr_string">"overflow"</span>, <span class="jxr_string">"hidden"</span>);
<a name="239" href="#239">239</a>     }
<a name="240" href="#240">240</a> }
</pre>
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